Chapter 5 (new) Flashcards
Nitrite Ion
Formula Unit
Represents the smallest whole number ratio of an electrically neutral collection of ions in an ionic compound.
Nobel Gases
Elements from which group are always named first in covalent binary compounds?
Molecular Elements
Elements that exist as two or more atoms covalently bonded.
Dihydrogen Phosphate
H, He, Li, Be, B
Notable exceptions to the Octet Rule
Hypoiodite Ion
IO-
Hydrogen Sulfate Ion
(Bisulfate Ion)
Hydroxide Ion
Acetate Ion
•nH2O
Denotes a hydrate in a chemical formula.
Covalent Compound
Type of compound that can be described using Molecular or Empirical formulas.
Covalent Binary Compounds
The element farthest left on the periodic table is usually named first in which type of compound?
tri
Greek prefix for 3
Carbonate Ion
Molecular Mass
The sum of the atomic masses of the atoms in the formula of a covalent compound.
Stock System
Used on metals that have varying charges.
Permanganate Ion
Molecular Elements
Includes Diatomic elements and Polyatomic elements.
Valence Electrons
e- which are most important for bonding.
Dichromate Ion
Ammonium Ion
NH4+
Nitrate Ion
Mass Percent Composition
Molecular Formula
Chemical formula that represents the exact ratio of elements in a covalent compound.
Crystalline Lattice
3D array of cations and anions that compose an ionic compound.
Periodate Ion
IO4-
Tin(Sn) and Lead(Pb)
Main group elements that use the stock system.
Bromite Ion
BrO2-
Negative
Is lattice energy always positive or negative?
Diatomic Elements
Elements such as H2, N2, O2, F2, Cl2, Br2, and I2.
Atomic Elements
e.g., Na, Fe, C, etc.
Elements that exist as single atoms.
Hydrates
Uses Greek Prefix system to denote number of molecules.
Electron Sea Model
Model that explains properties of metals, such as conductivity, malubility, and ductility.
___ic
Fe2+ = ferrous ion
Fe3+ = ferric ion
In the Old system (prior to stock system) the higher charge ion used which suffix?
Chlorate Ion
Covalent Bond
A bond typically formed between nonmetals.
Hydrogen carbonate ion
(Bicarbonate ion)
hexa
Greek prefix for 6
Ionic Compounds
In which type of compound does molecular mass not apply?
Ionic Bond
An interaction where one atom has low IE and the other has favorable EA.
Covalent Bond
Type of bond where atoms share electrons.